41129865 has 72 divisors (see below), whose sum is σ = 86643648. Its totient is φ = 17962560.

The previous prime is 41129863. The next prime is 41129873. The reversal of 41129865 is 56892114.

It is not a de Polignac number, because 41129865 - 2¹ = 41129863 is a prime.

It is not an unprimeable number, because it can be changed into a prime (41129861) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 50310 + ... + 51120.

It is an arithmetic number, because the mean of its divisors is an integer number (1203384).

Almost surely, 2^41129865 is an apocalyptic number.

41129865 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

41129865 is an abundant number, since it is smaller than the sum of its proper divisors (45513783).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

41129865 is a wasteful number, since it uses less digits than its factorization.

41129865 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 859 (or 849 counting only the distinct ones).

The product of its digits is 17280, while the sum is 36.

The square root of 41129865 is about 6413.2569728649. The cubic root of 41129865 is about 345.1854075880.

It can be divided in two parts, 411 and 29865, that added together give a square (30276 = 174²).

The spelling of 41129865 in words is "forty-one million, one hundred twenty-nine thousand, eight hundred sixty-five".